1.Pick a number and write it in the blank (any number): _____. This is your “mystery” number!...
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Transcript of 1.Pick a number and write it in the blank (any number): _____. This is your “mystery” number!...
1. Pick a number and write it in the blank (any number): _____ . This is your “mystery” number!2. Add 5 and write the new number: _____
3. Add 2 and write the new number: _____4. Subtract 3 and write the new number:
_____5. Subtract the “mystery” number. What did
you get?
BRAIN BLITZ
Keep Answers to Yourself!
What: Introduction To Fractions, Decimals,
& PercentagesAnd
converting between decimals and percentages.
Why: To review basic fraction, decimal, and percent knowledge, and to begin converting between decimals and percentages.
Today’s lesson . . .
What: Introduction To Fractions, Decimals,
& PercentagesWhy: To review basic fraction, decimal, and percent knowledge.
PART 1…
What makes fractions, decimals, and percentages similar? A proper FRACTION represents a part out of a larger ______________________________.A PERCENT represents a part out of _______________________________________________.A DECIMAL number also represents the relationship between a whole number and its ______________________________________.
wholeone-hundred
parts
What makes fractions, decimals, and percentages similar?
Let’s fill-in some of the missing parts:
100%
100%
100%
50%
50%
50%
0.5 100%
0.5
0.5
0.25 0.7575%25%
75%25%0.25 0.75
Review:
Can you identify the place value names for each of the following digits???? 1, 1 2 5 . 0 0 0 5
Who can say above # in “Decimal language”?
onestenshundredsthousands
tenthshundredthsthousandths
ten-thousandths
Naming Decimals:
Write the decimal for the following:1. Four hundredths _______________________________________2. Three and two-tenths ________________________________________3. Fifty and three-thousandths ____________________________________4. Five hundred and nine-tenths ____________________________________
0.043.250.003500.9
Naming Decimals:
Write the words out for the following decimal #’s:1. 0.08 ________________________________________2. 3.2 ________________________________________3. 0.001 _________________________________________4. 45.1 _________________________________________
eight-hundredthsthree and two-tenths
one-thousandthforty-five and one-tenth
CAROUSEL DECIMAL PRACTICECut the following problems into strips and place around the room for
students to solve.1. Write the decimal : Fifty-seven-hundredths _______________________________________2. Write the decimal : Eight and three-tenths ________________________________________3. Write the decimal : Sixty and nine-thousandths ________________________________________4. Write the decimal : Nine hundred and one-tenth ________________________________________5. Write the decimal : Two-hundredths _________________________________________
6. Write out the words : 0.03 __________________________________7. Write out the words : 7.1 ___________________________________8. Write out the words : 0.006 _________________________________9. Write out the words : 68.9 ___________________________________10. Write out the words : 700.01 ________________________________
Carousel Decimal PracticeNAME:__________________________________________________________________________________DATE:_____/_____/__________
1. 6.2. 7.3. 8.4. 9. 5. 10.
Carousel Decimal PracticeNAME:__________________________________________________________________________________DATE:_____/_____/__________
1. 6.2. 7.3. 8.4. 9. 5. 10.
What: converting between decimals and
percentages
Why: To begin converting between decimals and percentages.
PART 2…
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Decimal to Percent: Move decimal point __________ spaces to the __________________ !Percent to Decimal: Move decimal point _________ spaces to the ____________________!
0.125 = ___________
5% = _____________
CONVERTING decimals and percentages:
12.5%
0.052 right2 left
DECIMAL PERCENT1. 2. 3.4. 5.6. 7.8.
Together . . .
35% 0.35 0.6 60%0.04
480%4%
4.8 6.2%0.062
0.035 3.5% 100% 1
1.5 150%
DECIMAL PERCENT1. 2. 3.4. 5.6. 7.8.
YOUR TURN!
44% 0.44 0.09 9%0.07
525%7%
5.25 21.6%0.216
0.57 57% 105% 1.05
2.8 280 %
END OF LESSON
Next slides are student copies of the notes for this lesson. These notes were handed out in class and
filled-in as the lesson progressed.
NOTE: The last slides in any lesson slideshow (entitled “Practice Work”) represent the
homework assigned for that day.
“Decimal Language” and Place Value:1, 1 2 5 . 0 0 0 5
NOTES DATE: ______/_______/_______What: Intro to fractions, decimals, %’s and Converting between Decimals and %’sWhy: To review basic fraction, decimal, and % knowledge, and to begin converting between decimals and percentages.
NAME:
A proper FRACTION represents a part out of a larger _______________.A PERCENT represents a part out of _______________.A DECIMAL number also represents the relationship between a whole number and its __________________.
What makes fractions, decimals, and percentages similar?
Naming Decimals:
Write the decimal for the following:1. Four hundredths ______________________________________________________________2. Three and two-tenths_________________________________________________________3. Fifty and three-thousandths__________________________________________________4. Five hundred and nine-tenths________________________________________________
3. 0.001_________________________________________________________________________4. 45.1____________________________________________________________________________
Write the words out for the following decimal #’s:1. 0.08____________________________________________________________________________2. 3.2_____________________________________________________________________________
Converting decimals and percents:
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
“To the right, to the right!”
“To the left, to the left!”
Decimal to Percent: Move decimal point __________ spaces to the _______________ !Percent to Decimal: Move decimal point _________ spaces to the ________________!
0.125 = ___________5% = ___________
DECIMAL PERCENT1. 35%2. 0.63. 4%4. 4.85. 6.2%6. .0357. 100%8. 1.5
DECIMAL PERCENT1. 44%2. 0.093. 7%4. 5.255. 21.6%6. 0.577. 105%8. 2.8
Together (GuIDED): Your turn! (Independent):
CLASSWORK
HomeworkNAME:__________________________________________________________________________________DATE:_____/_____/__________
“Converting decimals and percentages”
DECIMAL PERCENT1. 1.04 104%2. 0.05 5%3. 24%4. 8.035. 5.3%6. 0.6257. 1%8. 2.59. 0.62%10. 0.411. 85.5%12. 95.5
P to D: move 2 to the left!
D to P: move 2 to the right!
Directions: Fill-in-the-table by converting between decimals and percentages. The first two are done for you.